//
// Copyright (C) 2005 Andras Varga
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, see <http://www.gnu.org/licenses/>.
//

#ifndef __INET_MYDYNAMICMOBILITY_H
#define __INET_MYDYNAMICMOBILITY_H

#include "inet/common/geometry/common/Coord.h"
#include "inet/common/INETDefs.h"
#include "inet/mobility/base/LineSegmentsMobilityBase.h"
#include "inet/mobility/single/BonnMotionFileCache.h"

namespace inet {

/**
 * @brief Uses the file format insure dynamic motion. See NED file for more info.
 *
 * @ingroup mobility
 * @author Lesiwei
 */
class INET_API MyDynamicMobility : public LineSegmentsMobilityBase
{
  protected:
    // state
    bool is3D;
    int nodeId;
    int hostNum;
    const char *fname;
    const BonnMotionFile::Line *lines;
    BonnMotionFile::Line oldVec;
    simtime_t moveInterval;
    double maxSpeed; // the possible maximum speed at any future time

  protected:
    virtual int numInitStages() const override { return NUM_INIT_STAGES; }

    /** @brief Initializes mobility model parameters. */
    virtual void initialize(int stage) override;

    /** @brief Initializes the position according to the mobility model. */
    virtual void setInitialPosition() override;

    /** @brief Overridden from LineSegmentsMobilityBase. */
    virtual void setTargetPosition() override;

    /** @brief Judging whether current node at zero position */
    bool atZeroPosition(const BonnMotionFile::Line& vec);

    bool atZeroPosition(const Coord coord);

    /** @brief Overridden from LineSegmentsMobilityBase. */
    virtual void move() override;

    virtual void computeMaxSpeed();

    virtual void handleSelfMessage(cMessage *message) override;

  public:
    MyDynamicMobility();

    virtual ~MyDynamicMobility();

    virtual double getMaxSpeed() const override { return maxSpeed; }
};

} // namespace inet

#endif // ifndef __INET_MYDYNAMICMOBILITY_H

